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Best Free Alternatives to Grammarly Business
Stop paying $15/user/mo. Discover professional-grade tools that won't break your budget.
Category: WritingVerified for 2025
Top Recommended Replacements
LanguageTool (Team)
FREEBest Overall FOSS Alternative
Why we like it
The leading open-source grammar engine; supports 30+ languages (Grammarly is English-only); 'Team' features allow shared dictionaries and style rules; privacy-first architecture.
Keep in mind
The 'Picky Mode' for advanced style suggestions is much more effective in the paid tier than the free open-source core.
ProWritingAid (Free Edition)
FREEBest for Long-Form & Reports
Why we like it
Provides 20+ detailed writing reports (pacing, clichés, transitions); excellent at identifying repeated phrases in technical documents; browser extensions work in most apps.
Keep in mind
Free version limits checks to 500 words at a time; interface is much more data-heavy and can be overwhelming for casual users.
Scribbr (Free Grammar Checker)
FREEBest for Accuracy
Why we like it
Consistently ranks as the most accurate free checker in 2025 tests; no sign-up or registration required; handles unlimited text length.
Keep in mind
Lacks the 'Team' dashboard and brand voice controls found in Grammarly Business; no native desktop app.
QuillBot (Free Tier)
FREEBest for Paraphrasing
Why we like it
Famous for its AI rephraser; includes a 100% free grammar and spell checker; great for non-native English speakers to improve fluency.
Keep in mind
The free paraphraser is limited by word count; plagiarism checker requires a paid upgrade.
Hemingway Editor
FREEBest for Readability
Why we like it
Focuses on 'Grade Level' and sentence structure; highlights passive voice and adverbs; helps teams write punchy, professional copy.
Keep in mind
Does not catch complex grammar or spelling errors; intended more for style editing than proofreading.
Trinka AI
FREEBest for Technical/Medical Teams
Why we like it
Designed specifically for academic and technical writing; handles complex terminology other checkers miss; strong focus on data privacy.
Keep in mind
Niche focus; might be overkill for general marketing or support teams.
Sapling (Free Edition)
FREEBest for Support Teams
Why we like it
Features 'Autocomplete Anywhere' to speed up typing; integrates with Zendesk, Salesforce, and HubSpot; excellent for customer-facing teams.
Keep in mind
The 'Enterprise' features like team snippets and analytics are locked behind a paid plan.
Slick Write
FREEBest for Writers on a Budget
Why we like it
100% free with no premium tiers; provides statistical analysis of your writing; unique word association features.
Keep in mind
Interface feels slightly dated; limited browser extension support compared to LanguageTool.
Writer.com (Free Checker)
FREEBest for Brand Alignment
Why we like it
The free web tool is incredibly clean; uses advanced AI models that understand professional context; zero-distraction design.
Keep in mind
Their actual 'Business' suite is even more expensive than Grammarly; the free tool is for individual check-ups only.
ChatGPT / Claude (via Custom Prompt)
FREEBest for Tone Adjustment
Why we like it
Can rewrite entire emails to be 'more professional' or 'more concise' based on a custom prompt; acts as a free style editor.
Keep in mind
Requires manual copy-pasting; privacy concerns for sensitive company data unless using an enterprise instance.
Linguix (Free Tier)
FREEBest for Non-Native Speakers
Why we like it
Includes a built-in dictionary and vocabulary builder; free extensions for Chrome/Edge; provides a 'Writing Score' to track team progress.
Keep in mind
Most 'Team' collaboration tools require a subscription.
Ginger (Free Version)
FREEBest for Sentence Rephrasing
Why we like it
Includes a powerful 'Rephrase' tool that offers multiple variations of a single sentence; includes a translation tool for 40+ languages.
Keep in mind
Free version is limited by the number of corrections per week; ad-supported browser extensions.
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